function defaultmailtxt() {if (document.getElementById("subscribeemail").value == "")document.getElementById("subscribeemail").value="Enter email address";}
function clearmailtxt() {if (document.getElementById("subscribeemail").value == "Enter email address")document.getElementById("subscribeemail").value="";}

function defaultusertxt() {if (document.getElementById("username").value == "")document.getElementById("username").value="Enter your username";}
function clearusertxt() {if (document.getElementById("username").value == "Enter your username")document.getElementById("username").value="";}

function defaultpwdtxt() {if (document.getElementById("password").value == "")document.getElementById("password").value="Enter your password";}
function clearpwdtxt() {if (document.getElementById("password").value == "Enter your password")document.getElementById("password").value="";}

function openPopup(pupurl,winname,winwidth,winheight){
	var left = (screen.width/2)-(winwidth/2);
	var top = (screen.height/2)-(winheight/2);
	 if ((document.getElementById('subscribeemail').value == "")||(document.getElementById('subscribeemail').value == "Enter email address")) return false;
	if(!window.focus)return;
	var myWin=window.open(pupurl+'?subscribeemail='+document.getElementById("subscribeemail").value,winname,'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width='+winwidth+', height='+winheight+', top='+top+', left='+left);
	myWin.focus();
}